Former GOP Sen. Bob Corker says he's not surprised Mitt Romney isn't running for re-election because politics are 'not as conducive' to problem-solving as they once were

"I mean, let's face it: There's just not a great deal of problem-solving taking place," Corker told Politico of the state of politics on Capitol Hill.

https://www.businessinsider.com/romney-retirement-corker-senate-gop-bipartisan-problem-solvers-legislation-2023-9